A terrible child kidnapping incident takes place in a mansion complex, where only the top 1% of the most luxurious population reside. With no time to be shocked, the child returns dead and the killer is unknown. However, this incident was just the start of a tragedy. While the crowd is hiding the truth, there are some who start to reveal the twisted hypocrisy and ugly secret inside the mansion.

Ji Jin-hee, Yoon Se-a, Kim Hye-eun, Cheon Ho-jin, Ahn Nae-sang, Kim Sung-su, Kang Sung-min, Ju Ye-eun, Kim Min-joon, Kim Roi-ha, Baek Ji-won